Best Quad Op-Amps (Operational Amplifier IC's) for Parametric Equalizer

[tiefbassuebertr]

Maybe follow types are suited therefore:
Urei 545 Parametric Equalizer Schematic
The Musician's Room: What's New?
LME49740
Audio - Audio Operational Amplifier - LME49740 - TI.com
OPA4134
Operational Amplifier (Op Amp) - Precision Amplifier - OPA4134 - TI.com

which types additional still be a good choice?

Are there also quad versions available in the meantime from the single versions LT1028 or AD797 ?

Thank you for advices.

 

[Osvaldo de Banfield]

TLC274/TS274???

 

[tiefbassuebertr]

TLC274/TS274???

Thank you; special features: TLC274 = extrem low voltage (3Vdd min) TS274 = low supply and input current
I am looking for best sound quality.
Maybe LT1359
www.linear.com/docs/3374‎
or AD8513
http://www.analog.com/en/all-operat...plifiers-op-amps/ad8513/products/product.html
or OPA1612/OPA1644
http://www.ti.com/product/opa1644
Who have tested?

upgrade Behringer 8-CH AD-/DA converter
http://www.gearslutz.com/board/geekslutz-forum/658431--what-opamps-upgrading.html

 

[jcx]

the TLC parts may not have the supply V range to just drop in - and CMOS wasn't the quietest input - CMOS input op amps were seldom used in audio